Gordon, Charles K. <br/><br/>
Introduction to mathematical structures 

 - Belmont:   Dickerson,   1967. 
 - 164 p. :  il.  ;  23,5 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATEMATICAS<br/>ESTADISTICA<br/>PROBABILIDAD<br/>GRAPH THEORY